CN103686209A - Transcoding and processing method and system with diverse mechanisms - Google Patents
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Abstract
The invention discloses a transcoding and processing method and system with diverse mechanisms. The method includes the steps that a format analysis is carried out on a downloaded video, and a transcoding server corresponding to the format of the video is determined; the video is sent to the transcoding server for transcoding; according to a screenshot verification information file generated on the basis of the video and a video file fed back by the transcoding server and obtained after the video is transcoded, a finished product video file is generated and output. The method and system solve the problems that steps in transcoding processing are processed dispersedly and can not be scheduled and processed in a unified mode, and transcoding efficiency is lowered.
Description
Technical field
The application relates to video code conversion field, more specifically, relates to the method and system that a kind of transcoding with diversification mechanism is processed.
Background technology
Fast development along with information technology, the form of expression and the transmission means of information change: from modes such as traditional word (as: books, newspaper) and audio frequency (as: broadcast), be then transformed into the video mode that has vivid expression power and have more information amount.TV of today and the Internet represent the abundant comprehensive resource of all kinds of movie and video programs, news, advertisement, chat, education and game etc. shared with visual form, thereby video has become people's study, social activity and amusement and recreation and irreplaceable important way.
The video distribution that thousands of video need to be changed into different code checks every day due to the transcoding server of large-scale website is to different nodes, offering different terminals provides and is convenient to watch, so need to have many video code conversion servers to dissimilar, different channel, the video of different business provides transcoding service, therefore, the transcoding flow process of transcoding server directly has influence on video supply, even client's experience, this just requires transcoding server can make full use of its effect, reduce bandwidth, increase resource utilization.
In prior art, the flow process of transcoding server is numerous and diverse, and the transcoding server in transcoding group is decoded specially, the special sectional drawing of transcoding server in sectional drawing group, checksum(verification file) the special checksum of transcoding server in group, the equal complete independently of task of each group.Owing to all will it being carried out after sectional drawing, checksum to foradownloaded video again in each foradownloaded video process, this mode of entering to have more causes flow process elongated more, reduced the utilance of resource, so underaction, the transcoding demand that makes to be difficult to meet in performance multitude of video, directly has influence on video supply.
Summary of the invention
In view of this, the application's technical problem to be solved has been to provide the method and system that a kind of transcoding with diversification mechanism is processed, with solve existing transcoding process in each step dispersion treatment can not unify to carry out dispatch deal and the problem that reduces transcoding efficiency.
In order to solve the problems of the technologies described above, the application discloses a kind of method that transcoding with diversification mechanism is processed, and it is characterized in that, comprising:
The video of downloading is carried out to format analysis, determine the transcoding server corresponding with the form of this video;
Send to described transcoding server to carry out transcoding this video;
According to the sectional drawing check information file generating based on this video, and described transcoding server feedback this video is carried out to the video file obtaining after transcoding, generate finished product video file output.
Preferably, the video of downloading is carried out to format analysis, determines the transcoding server corresponding with the form of this video, comprising:
The video of downloading is carried out to format analysis, determine the form of this video;
According to the preset relation obtaining, determine the transcoding server corresponding with the form of this video;
The corresponding relation of the form that wherein, described preset relation is different video and corresponding transcoding server; Described preset relation be transcoding server according to corresponding transcoding server the different-format transcoding server of treatable video arrange.
Preferably, adopt following manner to realize the sectional drawing check information file generating based on this video:
The video data that this video is comprised carries out sectional drawing processing and checking treatment, generates sectional drawing file and verification file.
Preferably, according to described sectional drawing check information file and described video file, generate finished product video file output, further comprise:
By described video file, described sectional drawing check information file, carry out integrated processing to be added to the captions in described video file with to be added to the watermark identifier in described video file, generate the output of finished product video file.
Preferably, also comprise:
Obtaining described transcoding server carries out the file part of the described video file exported in the process of transcoding and preserves to this video;
Described transcoding server delay machine and restart after, the described file part of current preservation is carried out to integrity detection;
When testing result represents that described file part can not form whole described video file, indicate described transcoding server to continue not carry out transcoding processing to carrying out the part of transcoding in this video.
In order to solve the problems of the technologies described above, disclosed herein as well is the system that a kind of transcoding with diversification mechanism is processed, it is characterized in that, this system comprises: matching unit and transcoding units, wherein,
Matching unit, for the video of downloading is carried out to format analysis, determines the transcoding server corresponding with the form of this video;
Transcoding units, for the described transcoding server that sends to described matching unit to determine this video, carry out transcoding, according to the sectional drawing check information file generating based on this video and described transcoding server feedback this video is carried out to the video file obtaining after transcoding, generate finished product video file output.
Preferably, described matching unit, the video being further used for downloading carries out format analysis, determines the form of this video; According to the preset relation obtaining, determine the transcoding server corresponding with the form of this video; The corresponding relation of the form that wherein, described preset relation is different video and corresponding transcoding server; Described preset relation be transcoding server according to corresponding transcoding server the different-format transcoding server of treatable video arrange.
Preferably, described transcoding units, the described transcoding server that is further used for this video to send to described matching unit to determine carries out transcoding, according to the video data based on this video is comprised, carry out sectional drawing processing and checking treatment, generate sectional drawing file and verification file, what described transcoding server was fed back carries out to this video the video file obtaining after transcoding, described sectional drawing file, described verification file, to be added to the captions in described video file with to be added to the watermark identifier in described video file, carry out integrated processing, generate the output of finished product video file.
Preferably, also comprise: reset cell, couple mutually with transcoding units, for obtaining described transcoding server, this video is carried out the file part of the described video file that the process of transcoding exports and preserved; Described transcoding server delay machine and restart after, the described file part of current preservation is carried out to integrity detection; When testing result represents that described file part can not form whole described video file, indicate described transcoding server to continue not carry out transcoding processing to carrying out the part of transcoding in this video.
Compared with prior art, the method and system that a kind of transcoding with diversification mechanism described in the application is processed, has reached following effect:
1) the application integrates transcoding, sectional drawing, checksum, adopt the mode singly enter to have more, solved the problem that each step dispersion treatment during transcoding is processed can not unify to carry out dispatch deal, shortened flow process, increase transcoding efficiency, made to have met in performance the demand of multitude of video transcoding.
2) all operations of the transcoding server relating in the application all can persist key message in file, the machine if machine is delayed, restart, transcoding server can detect and verification automatically, thereby can continue to upload the work not completing, there will not be the phenomenon of starting from the very beginning, thereby accelerate tasks carrying efficiency.
Certainly, arbitrary product of enforcement the application must not necessarily need to reach above-described all technique effects simultaneously.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, forms the application's a part, and the application's schematic description and description is used for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the FB(flow block) of the method for the transcoding processing with diversification mechanism described in the embodiment of the present application one.
Fig. 2 is the FB(flow block) of the method for the transcoding processing with diversification mechanism described in the embodiment of the present application two.
Fig. 3 is the FB(flow block) of the method with diversification mechanism described in the concrete Application Example of the application.
Fig. 4 is the structured flowchart of the system of the transcoding processing with diversification mechanism described in the embodiment of the present application four.
Fig. 5 is the structured flowchart of the system of the transcoding processing with diversification mechanism described in the embodiment of the present application four.
Embodiment
As used some vocabulary in the middle of specification and claim, censure specific components.Those skilled in the art should understand, and hardware manufacturer may be called same assembly with different nouns.This specification and claims are not used as distinguishing the mode of assembly with the difference of title, but the difference in function is used as the criterion of distinguishing with assembly.If " comprising " mentioned in the middle of specification and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition, " couple " word and comprise directly any and electric property coupling means indirectly at this.Therefore, if describe a first device in literary composition, be coupled to one second device, represent that described first device can directly be electrically coupled to described the second device, or be indirectly electrically coupled to described the second device by other devices or the means that couple.Specification subsequent descriptions is for implementing the application's better embodiment, and right described description is to illustrate that the application's rule is object, not in order to limit the application's scope.The application's protection range is when being as the criterion depending on the claims person of defining.
Embodiment mono-
As shown in Figure 1, be the method that a kind of transcoding with diversification mechanism described in the embodiment of the present application one is processed, the method comprises:
Described step 101, concrete further for the video of downloading is carried out to format analysis, determine the form of this video; According to the preset relation obtaining, determine the transcoding server corresponding with the form of this video; The corresponding relation of the form that wherein, described preset relation is different video and corresponding transcoding server; Described preset relation be transcoding server according to corresponding transcoding server the different-format transcoding server of treatable video arrange.
In addition, in step 102, adopt following manner to realize the sectional drawing check information file generating based on this video: the video data that this video is comprised carries out sectional drawing processing and checking treatment, generate sectional drawing file and verification file.
In step 102, according to described sectional drawing check information file and described video file, generate finished product video file output, further comprise:
By described video file, described sectional drawing check information file, carry out integrated processing to be added to the captions in described video file with to be added to the watermark identifier in described video file, generate the output of finished product video file.
After said method step, obtain described transcoding server and this video is carried out to the file part of the described video file exported in the process of transcoding and preserve that (operation of preservation, comprises; Preserve in real time the data that obtain after transcoding, so that transcoding machine is delayed, machine can continue uncompleted transcoding task after recovering); Described transcoding server delay machine and restart after, the described file part of current preservation is carried out to integrity detection (comprising the operations such as checksum); When testing result represents that described file part can not form whole described video file, indicate described transcoding server to continue not carry out transcoding processing to carrying out the part of transcoding in this video.(described in the machine of delaying, refer to that crashing or temporary derangement appears in computer.Here as those skilled in the art, belong to common practise).
Particularly, when video website is carried out video code conversion task, can carry out transcoding processing by transferring the film source of storing in sheet source server, under normal conditions, video website adopts cloud trans-coding system, various places are with video being uploaded to corresponding sheet source server per family, and after transcoding is processed, the user of other each department just can access this video website by terminal, mobile terminal or television terminal and watch or download corresponding video.Described video (also can be called source video, not carry out the video of transcoding) further comprises resolution, code check, video format and the video duration etc. of described film source.
Particularly, in step 102, the video data that this video is comprised carries out sectional drawing processing and checking treatment, generates sectional drawing file and verification file.
According to the video file after transcoding and described message file, generate finished product video file output, further comprise: the video file after transcoding and described message file and captions and watermark identifier that this video is added are carried out to integrated processing, generate the output of finished product video file.
Embodiment bis-
As shown in Figure 2, be the method that a kind of transcoding with diversification mechanism described in the embodiment of the present application two is processed, the method comprises:
Wherein, in step 201, the video of downloading is carried out to format analysis, determine the form of this video; According to the preset relation obtaining, determine the transcoding server corresponding with the form of this video; The corresponding relation of the form that wherein, described preset relation is different video and corresponding transcoding server; Described preset relation be transcoding server according to corresponding transcoding server the different-format transcoding server of treatable video arrange.
In the present embodiment, format analysis is divided according to the performance of the different-format of treatable video and described transcoding server by described different transcoding server, and the present embodiment is specifically divided with the resolution according to video, for example:
The resolution of video is divided into different resolution standard values, be further, by width w(corresponding in the resolution of described video pixel value at once) and the i.e. row pixel value of h(highly) be divided into respectively different standard values, wherein, the unit of w and h is PX(pixel).Be specially:
Resolution to described video is divided:
When w ﹤ 96 and h ﹤ 96, can not carry out transcoding, return to failure result.
When 626 ﹥ w≤96 or 360 ﹥ h≤96, be configured such that with the transcoding server of low performance and carry out transcoding processing.
When 960 ﹥ w≤626 or 540 ﹥ h≤360, be configured such that with the transcoding server transcoding of performance and process.
When w≤960 or h≤540, be configured such that with high performance transcoding server and carry out transcoding processing.
Certainly, according to the resolution of described video is divided, be not limited to above-mentioned standard value or above-mentioned concrete mode, can adjust according to practical application, do not form the restriction to the application.
Embodiment tri-
Shown in figure 3, the concrete application of the method for below the described transcoding with diversification mechanism being processed is elaborated:
Background is: existing 3 kinds of videos (take film source as example) will carry out transcoding processing simultaneously, i.e. film source A, B and C, wherein:
The resolution of film source A is 525*350, and its code check is 550kbps, and form is rmvb;
The resolution of film source B is 850*500, and its code check is 960kbps, and form is flv;
The resolution of film source C is 1280*720, and its code check is 1650kbps, and form is mp4.
Above-mentioned 3 kinds of film sources all will be play on television terminal, mobile terminal and terminal, all need transcoding to be treated to " .mp4 " form.
Concrete steps are:
First, receive film source A, B and C, respectively the information of film source A, B and C is extracted, and the information of extracting is carried out to video interception and checking treatment.
Described video interception, while watching video on computers, seeing that the telecine of liking is always kept in mind will intercept some pictures and get off to give over to collection, write a motion picture review article, to make video display photograph album etc. be all to use a large amount of video pictures, sectional drawing is the visual image on screen or other display equipment that is presented at being intercepted by computer.Conventionally sectional drawing can be intercepted by operating system or special-purpose sectional drawing software, also has external equipment to take as digital camera, for those skilled in the art, does not do concrete expansion explanation here.
Described checking treatment (checksum), in data processing and data communication field, for the one group of data item in verification destination and, it normally take the form that hexadecimal represents as numeral system.If verification and the senary FF of numerical value more than ten, namely 255, just require its complement code as verification and, be commonly used in communication, especially in telecommunication, guarantee integrality and the accuracy of data, for those skilled in the art, do not do concrete expansion explanation here.
Wherein, for the transmission of film source, can be that user is uploaded to corresponding server by film source, can be also sheet source server transfers to transcoding server, can also adopt other modes to transmit, do not form the restriction to the application.
Afterwards, according to the information of extracting in the video information of described film source A, B and C, carry out sectional drawing and checking treatment, obtain sectional drawing file and verification file, and send to the transcoding server transcoding of coupling to process video, by the video file after transcoding, described sectional drawing file, verification file, carry out integrated processing to be added to the captions in described video file with to be added to the watermark identifier in described video file, generate the output of finished product video file.
Wherein, from the video information of described film source A, B and C, extract:
The resolution of film source A is 525*350, and its code check is 550kbps, and form is rmvb;
The resolution of film source B is 850*500, and its code check is 960kbps, and form is flv;
The resolution of film source C is 1280*720, and its code check is 1650kbps, and form is mp4.
According to mated transcoding server (continuing to use the standard of in above-described embodiment two, the resolution of described video being divided), carry out matching treatment:
Described transcoding server, comprises dissimilar (transcoding server that DELL and IBM produce of take is example), and its performance also has high, normal, basic minute.DELL is low performance transcoding server, and IBM is divided into performance and high-performance transcoding server.
For film source A, according to its resolution, mate described resolution standard value, i.e. 960 ﹥ w≤626 or 540 ﹥ h≤360, form is RMVB, thereby, film source A is configured such that with the DELL transcoding server of low performance and carries out transcoding processing, start to carry out sectional drawing processing and checking treatment, generate sectional drawing file and verification file, according to transcoding script, carry out transcoding, again the video file after transcoding is carried out to integrated processing, and this video is added to captions and watermark identifier, finally generating finished product form is the video file output of " .mp4 ".
For film source B, according to its resolution, mate described resolution standard value, i.e. 960 ﹥ w≤626 or 540 ﹥ h≤360, form is flv, thereby, film source B is configured such that with the IBM transcoding server of performance and carries out transcoding processing, but there is the machine of delaying in the transcoding process of film source B, transcoding server first intercepts the information having turned and does a mark, after Wait-to-Restore, from marking, continue to start transcoding, carry out sectional drawing processing and checking treatment, generate sectional drawing file and verification file, according to transcoding script, carry out transcoding, again the video file after transcoding is carried out to integrated processing, and this video is added to captions and watermark identifier, finally generating finished product form is the video file output of " .mp4 ",
For film source C, according to its resolution, mate described resolution standard value, i.e. w≤960 or h≤540, form is mp4, because specified format is mp4, so directly film source C is exported.
Embodiment tetra-
As shown in Figure 4 and Figure 5, the system for a kind of transcoding with diversification mechanism described in the embodiment of the present application four is processed, couples mutually with a plurality of video servers, and this system comprises: matching unit 301 and transcoding units 302, wherein,
Described matching unit 301, couples mutually with described a plurality of video servers and described transcoding units 302 respectively, for the video of downloading is carried out to format analysis, determines the transcoding server corresponding with the form of this video.
Further, described transcoding server, according to the different-format of treatable video and the performance of described transcoding server divide.
Described transcoding units 302, couple mutually with described matching unit 301, for the described transcoding server that this video is sent to described matching unit 301 determine, carry out transcoding, according to the sectional drawing check information file generating based on this video and described transcoding server feedback this video is carried out to the video file obtaining after transcoding, generate finished product video file output.
Wherein, described matching unit 301, the video being further used for downloading carries out format analysis, determines the form of this video; According to the preset relation obtaining, determine the transcoding server corresponding with the form of this video; The corresponding relation of the form that wherein, described preset relation is different video and corresponding transcoding server; Described preset relation be transcoding server according to corresponding transcoding server the different-format transcoding server of treatable video arrange.
Described transcoding units 302, the described transcoding server that is further used for this video to send to described matching unit 301 to determine carries out transcoding, according to the video data based on this video is comprised, carry out sectional drawing processing and checking treatment, generate sectional drawing file and verification file, what described transcoding server was fed back carries out to this video the video file obtaining after transcoding, described sectional drawing file, described verification file, to be added to the captions in described video file with to be added to the watermark identifier in described video file, carry out integrated processing, generate the output of finished product video file.
Further, shown in figure 5, this system also comprises: reset cell, wherein,
Described reset cell, couples mutually with described transcoding units 302, for obtaining described transcoding server, this video is carried out the file part of the described video file that the process of transcoding exports and is preserved; Described transcoding server delay machine and restart after, the described file part of current preservation is carried out to integrity detection; When testing result represents that described file part can not form whole described video file, indicate described transcoding server to continue not carry out transcoding processing to carrying out the part of transcoding in this video.
Because method part have been described in detail the embodiment of the present application, here the expansion of the System and method for corresponding part relating in embodiment is described and omitted, repeat no more.The reference method embodiment of content can to(for) the description of particular content in system, no longer specifically limits here.
Compared with prior art, the method and system that a kind of transcoding with diversification mechanism described in the application is processed, has reached following effect:
1) the application integrates transcoding, sectional drawing, checksum, adopt the mode singly enter to have more, solved the problem that each step dispersion treatment during transcoding is processed can not unify to carry out dispatch deal, shortened flow process, increase transcoding efficiency, made to have met in performance the demand of multitude of video transcoding.
2) all operations of the transcoding server relating in the application all can persist key message in file, the machine if machine is delayed, restart, transcoding server can detect and verification automatically, thereby can continue to upload the work not completing, there will not be the phenomenon of starting from the very beginning, thereby accelerate tasks carrying efficiency.
Also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, commodity or the system that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, commodity or system.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, commodity or the system that comprises described key element and also have other identical element.
The embodiment that it will be understood by those skilled in the art that the application can be provided as method, system or computer program.Therefore, the application can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect completely.And the application can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.
The embodiment that the foregoing is only the application, is not limited to the application.To those skilled in the art, the application can have various modifications and variations.Any modification of doing within all spirit in the application and principle, be equal to replacement, improvement etc., within all should being included in the application's claim scope.
Claims (9)
1. a method with the transcoding processing of diversification mechanism, is characterized in that, comprising:
The video of downloading is carried out to format analysis, determine the transcoding server corresponding with the form of this video;
Send to described transcoding server to carry out transcoding this video;
According to the sectional drawing check information file generating based on this video, and described transcoding server feedback this video is carried out to the video file obtaining after transcoding, generate finished product video file output.
2. the method that the transcoding with diversification mechanism as claimed in claim 1 is processed, is characterized in that, the video of downloading is carried out to format analysis, determines the transcoding server corresponding with the form of this video, comprising:
The video of downloading is carried out to format analysis, determine the form of this video;
According to the preset relation obtaining, determine the transcoding server corresponding with the form of this video;
The corresponding relation of the form that wherein, described preset relation is different video and corresponding transcoding server; Described preset relation be transcoding server according to corresponding transcoding server the different-format transcoding server of treatable video arrange.
3. the method that the transcoding with diversification mechanism as claimed in claim 1 is processed, is characterized in that, adopts following manner to realize the sectional drawing check information file generating based on this video:
The video data that this video is comprised carries out sectional drawing processing and checking treatment, generates sectional drawing file and verification file.
4. the method that the transcoding with diversification mechanism as claimed in claim 1 is processed, is characterized in that, according to described sectional drawing check information file and described video file, generates finished product video file output, further comprises:
By described video file, described sectional drawing check information file, carry out integrated processing to be added to the captions in described video file with to be added to the watermark identifier in described video file, generate the output of finished product video file.
5. the method that the transcoding with diversification mechanism as claimed in claim 1 is processed, is characterized in that, also comprises:
Obtaining described transcoding server carries out the file part of the described video file exported in the process of transcoding and preserves to this video;
Described transcoding server delay machine and restart after, the described file part of current preservation is carried out to integrity detection;
When testing result represents that described file part can not form whole described video file, indicate described transcoding server to continue not carry out transcoding processing to carrying out the part of transcoding in this video.
6. a system with the transcoding processing of diversification mechanism, is characterized in that, this system comprises: matching unit and transcoding units, wherein,
Matching unit, for the video of downloading is carried out to format analysis, determines the transcoding server corresponding with the form of this video;
Transcoding units, for the described transcoding server that sends to described matching unit to determine this video, carry out transcoding, according to the sectional drawing check information file generating based on this video and described transcoding server feedback this video is carried out to the video file obtaining after transcoding, generate finished product video file output.
7. the system that the transcoding with diversification mechanism as claimed in claim 6 is processed, is characterized in that, described matching unit, and the video being further used for downloading carries out format analysis, determines the form of this video; According to the preset relation obtaining, determine the transcoding server corresponding with the form of this video; The corresponding relation of the form that wherein, described preset relation is different video and corresponding transcoding server; Described preset relation be transcoding server according to corresponding transcoding server the different-format transcoding server of treatable video arrange.
8. the system that the transcoding with diversification mechanism as claimed in claim 6 is processed, it is characterized in that, described transcoding units, the described transcoding server that is further used for this video to send to described matching unit to determine carries out transcoding, according to the video data based on this video is comprised, carry out sectional drawing processing and checking treatment, generate sectional drawing file and verification file, what described transcoding server was fed back carries out to this video the video file obtaining after transcoding, described sectional drawing file, described verification file, to be added to the captions in described video file with to be added to the watermark identifier in described video file, carry out integrated processing, generate the output of finished product video file.
9. the system that the transcoding with diversification mechanism as claimed in claim 6 is processed, it is characterized in that, also comprise: reset cell, couple mutually with transcoding units, for obtaining described transcoding server, this video is carried out the file part of the described video file that the process of transcoding exports and preserved; Described transcoding server delay machine and restart after, the described file part of current preservation is carried out to integrity detection; When testing result represents that described file part can not form whole described video file, indicate described transcoding server to continue not carry out transcoding processing to carrying out the part of transcoding in this video.
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| CN108090664A (en) * | 2017-12-13 | 2018-05-29 | 北京网博视界科技股份有限公司 | A kind of workflow adaptation dispatching method, device, equipment and storage medium |
| CN109474827A (en) * | 2018-12-03 | 2019-03-15 | 四川巧夺天工信息安全智能设备有限公司 | The method of monitor video fast transcoding |
| CN109951737A (en) * | 2019-02-26 | 2019-06-28 | 北京字节跳动网络技术有限公司 | Method for processing video frequency, device, electronic equipment and computer readable storage medium |
| CN112689150A (en) * | 2020-12-15 | 2021-04-20 | 北京计算机技术及应用研究所 | Design of high-performance video conversion server |
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| CN109474827B (en) * | 2018-12-03 | 2022-11-29 | 四川巧夺天工信息安全智能设备有限公司 | Method for rapidly transcoding monitoring video |
| CN109951737A (en) * | 2019-02-26 | 2019-06-28 | 北京字节跳动网络技术有限公司 | Method for processing video frequency, device, electronic equipment and computer readable storage medium |
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